JSFiddle - React, Tailwind, and code Playground

HTML

<body ng-app="MyApp">
    <div ng-controller="App">
        Select an item. First time is really slow. Second time is much quicker<br>
        <select ng-model="data.selected" ng-options="opt as opt.name for opt in options">    
        </select>
     </div>
</div>

JavaScript

angular.module('MyApp', []);

function App($scope) {
    $scope.options = [];
    for (var i=0; i < 25000; ++i) {
        $scope.options.push( {'name': 'Item ' + i });
    }
}